Window Putty Repair -

Once your putty is fully cured (check the manufacturer’s time), prime and paint the entire sash, overlapping the putty by about 1/16” onto the glass. That tiny lip of paint locks out moisture for decades.

—it will shrink, crack, and ooze out. Patience pays off. When to Call a Pro (And When to DIY) DIY if: You have basic hand tools, one afternoon, and the wood frame is solid. window putty repair

The glass is cracked, the sash is rotted through, the window is second-story or higher, or you have 20+ windows to do. Professional glaziers can also remove and reset an entire pane in minutes. The Bottom Line Window putty repair is not glamorous. But finishing a window that no longer whistles on a windy night? That feels like a victory. Once your putty is fully cured (check the

Remove any glazing points you find (those tiny metal triangles) with needle-nose pliers. You’ll replace them later. This step separates pros from amateurs. Patience pays off

Wipe the bare wood with a brush and denatured alcohol to remove dust, oil, and old paint residue. —new putty will not stick to dirty or oily wood.